支架充分释放减少再狭窄发生
7
不同血管类型病变的球囊选择
血管CTO 病变:常选择单标记、整体交换、 小外径(1.25-1.5 mm)球囊,如 Maverick,Ryujin,Sprinter等
血管长病变:原则上选用较长的球囊(2030mm),以防两端撕裂并减少扩张次数
分叉血管病变:可选双导丝球囊、切割球囊。 目的:减少斑块移位、降低分支闭塞的概率
15
DES扩张不充分预测SAT
2575例患者,置入4722枚SES支架(支架平均1.8),其中913例进行IVUS检查.21例有 记载的支架血栓, IVUS检查其中15例
造影分析 pre-MLD (mm) post-MLD (mm)
IVUS分析 残余狭窄 斑块负荷(%) 最小支架CSA(mm2) 支架扩张比
短椎体,最大程度地减少球囊对治疗区域外正常血管的损伤1 球囊肩部与显影标记中点对齐,精确提示扩张部位
VOYAGER NC 3.0 x 20 mm
VOYAGER NC 3.0 x 20 mm
A: 3.0 x 20 mm
B: 3.0 x 21mm
1Lee DP et al. Optimizing Clinical Outcomes with Intracoronary Stenting: The importance of Minimizing Vessel Injury. Stent 2000. Vol 3 No 1. Photos taken by and on file at Abbott Vascular. Tests performed by and data on file at Abbott Vascular.
1Lee DP et al. Optimizing Clinical Outcomes with Intracoronary Stenting: The importance of Minimizing Vessel Injury. Stent 2010. Vol 3 No 1. *Coextruded technology used only in 3.5 - 5.0mm balloon sizes. Illustrations are artists renderings. Not drawn to scale.